Seiko Cal. 5664 - 873

This Automatic model from 1977 features a 40mm PVD Black case. It features a White dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-f6a766e2af6b]

Also known as: Sea Horse, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1977

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